Confused pairs
Incorrect answers between two species (undirected). With a country selected, only mix-ups from games in that country are counted, and only pairs where both species are on that country's checklist are shown.
| Species A (lower id) | Species B (higher id) | Total wrong | A was target → picked B | B was target → picked A |
|---|---|---|---|---|
| Ruddy Ground Dove Columbina talpacoti | Eared Dove Zenaida auriculata | 3 | 1 | 2 |
| Amazonian Pygmy-Owl Glaucidium hardyi | Ferruginous Pygmy-Owl Glaucidium brasilianum | 2 | 0 | 2 |
| Smooth-billed Ani Crotophaga ani | Blue-black Grassquit Volatinia jacarina | 2 | 1 | 1 |
| Long-crested Pygmy-Tyrant Lophotriccus eulophotes | Acre Tody-Tyrant Hemitriccus cohnhafti | 2 | 2 | 0 |
| American Black Vulture Coragyps atratus | Roadside Hawk Rupornis magnirostris | 2 | 1 | 1 |
| Guira Cuckoo Guira guira | Common Pauraque Nyctidromus albicollis | 2 | 1 | 1 |
| Silver-beaked Tanager Ramphocelus carbo | Blue-black Grassquit Volatinia jacarina | 2 | 1 | 1 |
| Chestnut-headed Chachalaca Ortalis ruficeps | Buff-browed Chachalaca Ortalis superciliaris | 1 | 0 | 1 |
| Spix's Guan Penelope jacquacu | Dusky-legged Guan Penelope obscura | 1 | 0 | 1 |
| Bare-faced Curassow Crax fasciolata | Red-billed Curassow Crax blumenbachii | 1 | 0 | 1 |
| Spot-winged Wood-Quail Odontophorus capueira | Eastern Kingbird Tyrannus tyrannus | 1 | 0 | 1 |
| Picazuro Pigeon Patagioenas picazuro | Roadside Hawk Rupornis magnirostris | 1 | 1 | 0 |
| Blue-eyed Ground Dove Columbina cyanopis | Blue Ground Dove Claravis pretiosa | 1 | 0 | 1 |
| White-tipped Dove Leptotila verreauxi | Eared Dove Zenaida auriculata | 1 | 1 | 0 |
| White-tipped Dove Leptotila verreauxi | Silver-beaked Tanager Ramphocelus carbo | 1 | 0 | 1 |
| White-tipped Dove Leptotila verreauxi | Blue-black Grassquit Volatinia jacarina | 1 | 0 | 1 |
| Eared Dove Zenaida auriculata | Cliff Swallow Petrochelidon pyrrhonota | 1 | 0 | 1 |
| Eared Dove Zenaida auriculata | Spectacled Thrush Turdus nudigenis | 1 | 0 | 1 |
| Guira Cuckoo Guira guira | Roadside Hawk Rupornis magnirostris | 1 | 1 | 0 |
| Guira Cuckoo Guira guira | Cliff Swallow Petrochelidon pyrrhonota | 1 | 0 | 1 |
| Smooth-billed Ani Crotophaga ani | American Black Vulture Coragyps atratus | 1 | 1 | 0 |
| Smooth-billed Ani Crotophaga ani | Cliff Swallow Petrochelidon pyrrhonota | 1 | 0 | 1 |
| Smooth-billed Ani Crotophaga ani | Silver-beaked Tanager Ramphocelus carbo | 1 | 0 | 1 |
| Ash-coloured Cuckoo Coccycua cinerea | Black-bellied Cuckoo Piaya melanogaster | 1 | 0 | 1 |
| Sand-coloured Nighthawk Chordeiles rupestris | Short-tailed Nighthawk Lurocalis semitorquatus | 1 | 1 | 0 |
| Common Nighthawk Chordeiles minor | Bat Falcon Falco rufigularis | 1 | 0 | 1 |
| Blackish Nightjar Nyctipolus nigrescens | Common Pauraque Nyctidromus albicollis | 1 | 1 | 0 |
| Common Pauraque Nyctidromus albicollis | White-faced Ibis Plegadis chihi | 1 | 1 | 0 |
| Common Pauraque Nyctidromus albicollis | Roadside Hawk Rupornis magnirostris | 1 | 1 | 0 |
| Common Pauraque Nyctidromus albicollis | Purple Martin Progne subis | 1 | 0 | 1 |
| Common Pauraque Nyctidromus albicollis | Blue-black Grassquit Volatinia jacarina | 1 | 0 | 1 |
| Little Nightjar Setopagis parvula | Spot-tailed Nightjar Antiurus maculicaudus | 1 | 1 | 0 |
| White-tailed Nightjar Hydropsalis cayennensis | Ladder-tailed Nightjar Hydropsalis climacocerca | 1 | 0 | 1 |
| Long-tailed Potoo Nyctibius aethereus | Common Potoo Nyctibius griseus | 1 | 1 | 0 |
| Sick's Swift Chaetura meridionalis | Short-tailed Swift Chaetura brachyura | 1 | 1 | 0 |
| Saw-billed Hermit Ramphodon naevius | Rufous-breasted Hermit Glaucis hirsutus | 1 | 1 | 0 |
| Hook-billed Hermit Glaucis dohrnii | Broad-tipped Hermit Anopetia gounellei | 1 | 1 | 0 |
| Dusky-throated Hermit Phaethornis squalidus | Black-faced Dacnis Dacnis lineata | 1 | 0 | 1 |
| Streak-throated Hermit Phaethornis rupurumii | Tapajos Hermit Phaethornis aethopygus | 1 | 0 | 1 |
| Tapajos Hermit Phaethornis aethopygus | Ruddy Turnstone Arenaria interpres | 1 | 0 | 1 |
| Racket-tipped Thorntail Discosura longicaudus | Point-tailed Palmcreeper Berlepschia rikeri | 1 | 0 | 1 |
| Amethyst Woodstar Calliphlox amethystina | South American Tern Sterna hirundinacea | 1 | 1 | 0 |
| Long-tailed Woodnymph Thalurania watertonii | Swallow-tailed Hummingbird Eupetomena macroura | 1 | 1 | 0 |
| Chestnut-headed Crake Anurolimnas castaneiceps | Black-banded Crake Rufirallus fasciatus | 1 | 0 | 1 |
| Rufous-sided Crake Laterallus melanophaius | Red-and-white Crake Rufirallus leucopyrrhus | 1 | 1 | 0 |
| Grey-winged Trumpeter Psophia crepitans | Pale-winged Trumpeter Psophia leucoptera | 1 | 1 | 0 |
| Hudsonian Godwit Limosa haemastica | Velvet-fronted Grackle Lampropsar tanagrinus | 1 | 0 | 1 |
| Sanderling Calidris alba | Rufous Casiornis Casiornis rufus | 1 | 0 | 1 |
| Pectoral Sandpiper Calidris melanotos | Sand Martin Riparia riparia | 1 | 1 | 0 |
| White Tern Gygis alba | Sooty Tern Onychoprion fuscatus | 1 | 1 | 0 |
| Snowy-crowned Tern Sterna trudeaui | Common Tern Sterna hirundo | 1 | 1 | 0 |
| Northern Royal Albatross Diomedea sanfordi | Southern Royal Albatross Diomedea epomophora | 1 | 0 | 1 |
| Southern Royal Albatross Diomedea epomophora | White-bellied Storm-Petrel Fregetta grallaria | 1 | 0 | 1 |
| Cory's Shearwater Calonectris diomedea | White-vented Euphonia Euphonia minuta | 1 | 0 | 1 |
| Brown Booby Sula leucogaster | Greyish Baywing Agelaioides badius | 1 | 0 | 1 |
| White-faced Ibis Plegadis chihi | Bare-faced Ibis Phimosus infuscatus | 1 | 1 | 0 |
| White-faced Ibis Plegadis chihi | Roadside Hawk Rupornis magnirostris | 1 | 1 | 0 |
| White-faced Ibis Plegadis chihi | Red-legged Seriema Cariama cristata | 1 | 1 | 0 |
| White-faced Ibis Plegadis chihi | Great Kiskadee Pitangus sulphuratus | 1 | 0 | 1 |
| American Black Vulture Coragyps atratus | Purple Martin Progne subis | 1 | 0 | 1 |
| Roadside Hawk Rupornis magnirostris | Cliff Swallow Petrochelidon pyrrhonota | 1 | 0 | 1 |
| Black-faced Hawk Leucopternis melanops | White-browed Hawk Leucopternis kuhli | 1 | 1 | 0 |
| White-browed Hawk Leucopternis kuhli | Broad-winged Hawk Buteo platypterus | 1 | 0 | 1 |
| Broad-winged Hawk Buteo platypterus | Short-tailed Hawk Buteo brachyurus | 1 | 0 | 1 |
| Crested Owl Lophostrix cristata | Rufous Cacholote Pseudoseisura unirufa | 1 | 1 | 0 |
| Mottled Owl Strix virgata | Rusty-barred Owl Strix hylophila | 1 | 1 | 0 |
| Green-backed Trogon Trogon viridis | White-winged Shrike-Tanager Lanio versicolor | 1 | 0 | 1 |
| Rufous Motmot Baryphthengus martii | Broad-billed Motmot Electron platyrhynchum | 1 | 0 | 1 |
| Guianan Puffbird Notharchus macrorhynchos | Spot-backed Puffbird Nystalus maculatus | 1 | 0 | 1 |
| Eastern Striolated-Puffbird Nystalus striolatus | Crescent-chested Puffbird Malacoptila striata | 1 | 0 | 1 |
| Semicollared Puffbird Malacoptila semicincta | Rufous-necked Puffbird Malacoptila rufa | 1 | 1 | 0 |
| Yellow-billed Jacamar Galbula albirostris | Black-and-white Warbler Mniotilta varia | 1 | 1 | 0 |
| Rufous-tailed Jacamar Galbula ruficauda | Bluish-fronted Jacamar Galbula cyanescens | 1 | 0 | 1 |
| Scarlet-crowned Barbet Capito aurovirens | Gilded Barbet Capito auratus | 1 | 1 | 0 |
| Brown-chested Barbet Capito brunneipectus | Black-spotted Barbet Capito niger | 1 | 0 | 1 |
| Tawny-tufted Toucanet Selenidera nattereri | Spot-billed Toucanet Selenidera maculirostris | 1 | 0 | 1 |
| Lafresnaye's Piculet Picumnus lafresnayi | Grey-hooded Flycatcher Mionectes rufiventris | 1 | 0 | 1 |
| Spotted Piculet Picumnus pygmaeus | Varzea Piculet Picumnus varzeae | 1 | 0 | 1 |
| Varzea Piculet Picumnus varzeae | Ochre-collared Piculet Picumnus temminckii | 1 | 1 | 0 |
| Golden-collared Woodpecker Veniliornis cassini | Red-stained Woodpecker Veniliornis affinis | 1 | 1 | 0 |
| Red-stained Woodpecker Veniliornis affinis | Sierra de Lema Flycatcher Mionectes roraimae | 1 | 1 | 0 |
| Robust Woodpecker Campephilus robustus | Crimson-crested Woodpecker Campephilus melanoleucos | 1 | 0 | 1 |
| Robust Woodpecker Campephilus robustus | Cream-backed Woodpecker Campephilus leucopogon | 1 | 1 | 0 |
| Robust Woodpecker Campephilus robustus | Rufous-headed Woodpecker Celeus spectabilis | 1 | 1 | 0 |
| Ochre-backed Woodpecker Celeus ochraceus | Pale-crested Woodpecker Celeus lugubris | 1 | 1 | 0 |
| Ochre-backed Woodpecker Celeus ochraceus | Blond-crested Woodpecker Celeus flavescens | 1 | 1 | 0 |
| Laughing Falcon Herpetotheres cachinnans | Collared Forest-Falcon Micrastur semitorquatus | 1 | 0 | 1 |
| Monk Parakeet Myiopsitta monachus | Tui Parakeet Brotogeris sanctithomae | 1 | 1 | 0 |
| Cobalt-winged Parakeet Brotogeris cyanoptera | Pileated Parrot Pionopsitta pileata | 1 | 1 | 0 |
| Scaly-headed Parrot Pionus maximiliani | Short-tailed Parrot Graydidascalus brachyurus | 1 | 1 | 0 |
| Blue-headed Parrot Pionus menstruus | Blue-black Grassquit Volatinia jacarina | 1 | 1 | 0 |
| Yellow-crowned Amazon Amazona ochrocephala | Dusky-headed Parakeet Aratinga weddellii | 1 | 0 | 1 |
| Turquoise-fronted Amazon Amazona aestiva | Kawall's Amazon Amazona kawalli | 1 | 0 | 1 |
| Kawall's Amazon Amazona kawalli | Red-tailed Amazon Amazona brasiliensis | 1 | 1 | 0 |
| Dusky-billed Parrotlet Forpus modestus | Cobalt-rumped Parrotlet Forpus xanthopterygius | 1 | 1 | 0 |
| Ochre-marked Parakeet Pyrrhura cruentata | Maroon-bellied Parakeet Pyrrhura frontalis | 1 | 1 | 0 |
| Subandean Parakeet Pyrrhura subandina | Santarem Parakeet Pyrrhura amazonum | 1 | 1 | 0 |
| Sun Parakeet Aratinga solstitialis | Sulphur-breasted Parakeet Aratinga maculata | 1 | 0 | 1 |
| Red-bellied Macaw Orthopsittaca manilatus | Blue-winged Macaw Primolius maracana | 1 | 0 | 1 |
| Blue-winged Macaw Primolius maracana | Blue-headed Macaw Primolius couloni | 1 | 0 | 1 |
| Large-tailed Antshrike Mackenziaena leachii | Tufted Antshrike Mackenziaena severa | 1 | 1 | 0 |
| Great Antshrike Taraba major | Glossy Antshrike Sakesphorus luctuosus | 1 | 0 | 1 |
| Black-crested Antshrike Sakesphorus canadensis | Silvery-cheeked Antshrike Sakesphoroides cristatus | 1 | 0 | 1 |
| Glossy Antshrike Sakesphorus luctuosus | Silvery-cheeked Antshrike Sakesphoroides cristatus | 1 | 1 | 0 |
| Glossy Antshrike Sakesphorus luctuosus | White-shouldered Fire-eye Pyriglena leucoptera | 1 | 1 | 0 |
| Bolivian Slaty-Antshrike Thamnophilus sticturus | Variable Antshrike Thamnophilus caerulescens | 1 | 1 | 0 |
| Planalto Slaty-Antshrike Thamnophilus pelzelni | Large-billed Antwren Herpsilochmus longirostris | 1 | 0 | 1 |
| Sooretama Slaty-Antshrike Thamnophilus ambiguus | Variable Antshrike Thamnophilus caerulescens | 1 | 0 | 1 |
| Variable Antshrike Thamnophilus caerulescens | Lesser Hornero Furnarius minor | 1 | 0 | 1 |
| Variable Antshrike Thamnophilus caerulescens | Hangnest Tody-Tyrant Hemitriccus nidipendulus | 1 | 1 | 0 |
| Plumbeous Antvireo Dysithamnus plumbeus | Yellow-browed Antbird Hypocnemis hypoxantha | 1 | 1 | 0 |
| Cinereous Antshrike Thamnomanes caesius | Bluish-slate Antshrike Thamnomanes schistogynus | 1 | 0 | 1 |
| Bluish-slate Antshrike Thamnomanes schistogynus | Black Antbird Cercomacroides serva | 1 | 1 | 0 |
| Bluish-slate Antshrike Thamnomanes schistogynus | Cock-tailed Tyrant Alectrurus tricolor | 1 | 1 | 0 |
| Salvadori's Antwren Myrmotherula minor | Band-tailed Antwren Myrmotherula urosticta | 1 | 0 | 1 |
| Grey Antwren Myrmotherula menetriesii | White-rumped Tanager Cypsnagra hirundinacea | 1 | 1 | 0 |
| Todd's Antwren Herpsilochmus stictocephalus | Roraiman Antwren Herpsilochmus roraimae | 1 | 1 | 0 |
| Guianan Warbling-Antbird Hypocnemis cantator | Crested Oropendola Psarocolius decumanus | 1 | 1 | 0 |
| Imeri Warbling-Antbird Hypocnemis flavescens | Yapacana Antbird Aprositornis disjuncta | 1 | 0 | 1 |
| Peruvian Warbling-Antbird Hypocnemis peruviana | Ringed Antpipit Corythopis torquatus | 1 | 0 | 1 |
| Bananal Antbird Cercomacra ferdinandi | Rio Branco Antbird Cercomacra carbonaria | 1 | 1 | 0 |
| Fringe-backed Fire-eye Pyriglena atra | White-breasted Tapaculo Eleoscytalopus indigoticus | 1 | 1 | 0 |
| Ash-breasted Antbird Myrmoborus lugubris | Black-faced Antbird Myrmoborus myotherinus | 1 | 1 | 0 |
| White-lined Antbird Myrmoborus lophotes | White-plumed Antbird Pithys albifrons | 1 | 0 | 1 |
| Black-chinned Antbird Hypocnemoides melanopogon | Silvered Antbird Sclateria naevia | 1 | 1 | 0 |
| Band-tailed Antbird Hypocnemoides maculicauda | Silvered Antbird Sclateria naevia | 1 | 1 | 0 |
| Band-tailed Antbird Hypocnemoides maculicauda | Lawrence's Thrush Turdus lawrencii | 1 | 1 | 0 |
| White-bibbed Antbird Myrmoderus loricatus | Goeldi's Antbird Akletos goeldii | 1 | 1 | 0 |
| Chestnut-belted Gnateater Conopophaga aurita | Ash-throated Gnateater Conopophaga peruviana | 1 | 1 | 0 |
| Ceara Gnateater Conopophaga cearae | Rufous Gnateater Conopophaga lineata | 1 | 0 | 1 |
| Ceara Gnateater Conopophaga cearae | Rufous Cacholote Pseudoseisura unirufa | 1 | 1 | 0 |
| Thrush-like Antpitta Myrmothera campanisona | Tapajos Antpitta Myrmothera subcanescens | 1 | 0 | 1 |
| Thrush-like Antpitta Myrmothera campanisona | Cinnamon-rumped Foliage-gleaner Philydor pyrrhodes | 1 | 1 | 0 |
| White-breasted Tapaculo Eleoscytalopus indigoticus | Bahia Tapaculo Eleoscytalopus psychopompus | 1 | 0 | 1 |
| Mouse-coloured Tapaculo Scytalopus speluncae | Uniform Finch Haplospiza unicolor | 1 | 0 | 1 |
| Striated Antthrush Chamaeza nobilis | Such's Antthrush Chamaeza meruloides | 1 | 0 | 1 |
| Such's Antthrush Chamaeza meruloides | Orange-breasted Thornbird Phacellodomus ferrugineigula | 1 | 1 | 0 |
| Black-tailed Leaftosser Sclerurus caudacutus | Rufous-breasted Leaftosser Sclerurus scansor | 1 | 0 | 1 |
| Olivaceous Woodcreeper Sittasomus griseicapillus | Olive-green Tanager Orthogonys chloricterus | 1 | 1 | 0 |
| Plain-brown Woodcreeper Dendrocincla fuliginosa | Wedge-billed Woodcreeper Glyphorynchus spirurus | 1 | 0 | 1 |
| Ocellated Woodcreeper Xiphorhynchus ocellatus | Buff-throated Woodcreeper Xiphorhynchus guttatus | 1 | 1 | 0 |
| Spix's Woodcreeper Xiphorhynchus spixii | Zimmer's Woodcreeper Dendroplex kienerii | 1 | 1 | 0 |
| Buff-throated Woodcreeper Xiphorhynchus guttatus | Straight-billed Woodcreeper Dendroplex picus | 1 | 1 | 0 |
| Scalloped Woodcreeper Lepidocolaptes falcinellus | Rufous-crowned Elaenia Elaenia ruficeps | 1 | 1 | 0 |
| Chaco Earthcreeper Tarphonomus certhioides | Greater Thornbird Phacellodomus ruber | 1 | 1 | 0 |
| Wing-banded Hornero Furnarius figulus | Lesser Hornero Furnarius minor | 1 | 0 | 1 |
| Wing-banded Hornero Furnarius figulus | River Tyrannulet Serpophaga hypoleuca | 1 | 1 | 0 |
| Great Xenops Megaxenops parnaguae | Amazonian Tyrannulet Inezia subflava | 1 | 0 | 1 |
| Alagoas Foliage-gleaner Philydor novaesi | McConnell's Spinetail Synallaxis macconnelli | 1 | 0 | 1 |
| Black-capped Foliage-gleaner Philydor atricapillus | White-browed Foliage-gleaner Anabacerthia amaurotis | 1 | 1 | 0 |
| Rufous-tailed Foliage-gleaner Anabacerthia ruficaudata | Buff-browed Foliage-gleaner Syndactyla rufosuperciliata | 1 | 1 | 0 |
| Russet-mantled Foliage-gleaner Syndactyla dimidiata | White-throated Foliage-gleaner Syndactyla roraimae | 1 | 0 | 1 |
| Brown-rumped Foliage-gleaner Automolus melanopezus | Ochre-throated Foliage-gleaner Automolus ochrolaemus | 1 | 1 | 0 |
| Speckled Spinetail Thripophaga gutturata | Striated Softtail Thripophaga macroura | 1 | 1 | 0 |
| Speckled Spinetail Thripophaga gutturata | Plain Softtail Thripophaga fusciceps | 1 | 1 | 0 |
| Grey-headed Spinetail Cranioleuca semicinerea | Slender-footed Tyrannulet Zimmerius gracilipes | 1 | 0 | 1 |
| Caatinga Cacholote Pseudoseisura cristata | Rufous Cacholote Pseudoseisura unirufa | 1 | 1 | 0 |
| Chotoy Spinetail Schoeniophylax phryganophilus | Plain-crowned Spinetail Synallaxis gujanensis | 1 | 1 | 0 |
| White-lored Spinetail Synallaxis albilora | White-naped Xenopsaris Xenopsaris albinucha | 1 | 0 | 1 |
| White-lored Spinetail Synallaxis albilora | Yellow-browed Tyrant Satrapa icterophrys | 1 | 1 | 0 |
| White-lored Spinetail Synallaxis albilora | Yellow-crested Tanager Loriotus rufiventer | 1 | 0 | 1 |
| Red-shouldered Spinetail Synallaxis hellmayri | Rufous-capped Spinetail Synallaxis ruficapilla | 1 | 1 | 0 |
| Pale-bellied Tyrant-Manakin Neopelma pallescens | Wied's Tyrant-Manakin Neopelma aurifrons | 1 | 0 | 1 |
| Wied's Tyrant-Manakin Neopelma aurifrons | Cock-tailed Tyrant Alectrurus tricolor | 1 | 1 | 0 |
| White-fronted Manakin Lepidothrix serena | Yellow-crowned Manakin Heterocercus flavivertex | 1 | 0 | 1 |
| Fiery-capped Manakin Machaeropterus pyrocephalus | White-crowned Manakin Pseudopipra pipra | 1 | 1 | 0 |
| Hooded Berryeater Carpornis cucullata | Black-headed Berryeater Carpornis melanocephala | 1 | 0 | 1 |
| Banded Cotinga Cotinga maculata | Dull-coloured Grassquit Asemospiza obscura | 1 | 0 | 1 |
| Screaming Piha Lipaugus vociferans | Cinnamon-vented Piha Lipaugus lanioides | 1 | 1 | 0 |
| Black-tailed Tityra Tityra cayana | Black-crowned Tityra Tityra inquisitor | 1 | 1 | 0 |
| Black-tailed Tityra Tityra cayana | Azure Jay Cyanocorax caeruleus | 1 | 0 | 1 |
| Buff-throated Purpletuft Iodopleura pipra | White-bellied Dacnis Dacnis albiventris | 1 | 1 | 0 |
| Serra do Mar Bristle-Tyrant Pogonotriccus difficilis | Sao Paulo Bristle-Tyrant Pogonotriccus paulista | 1 | 1 | 0 |
| Southern Bristle-Tyrant Pogonotriccus eximius | Sao Paulo Bristle-Tyrant Pogonotriccus paulista | 1 | 1 | 0 |
| Mottle-cheeked Tyrannulet Phylloscartes ventralis | Amazonian Scrub-Flycatcher Sublegatus obscurior | 1 | 0 | 1 |
| Minas Gerais Tyrannulet Phylloscartes roquettei | Plain-crested Elaenia Elaenia cristata | 1 | 1 | 0 |
| Helmeted Pygmy-Tyrant Lophotriccus galeatus | Snethlage's Tody-Tyrant Hemitriccus minor | 1 | 1 | 0 |
| Acre Tody-Tyrant Hemitriccus cohnhafti | Yellow-backed Tanager Hemithraupis flavicollis | 1 | 0 | 1 |
| Flammulated Pygmy-Tyrant Hemitriccus flammulatus | Boat-billed Tody-Tyrant Hemitriccus josephinae | 1 | 1 | 0 |
| White-eyed Tody-Tyrant Hemitriccus zosterops | White-bellied Tody-Tyrant Hemitriccus griseipectus | 1 | 0 | 1 |
| Johannes's Tody-Tyrant Hemitriccus iohannis | Stripe-necked Tody-Tyrant Hemitriccus striaticollis | 1 | 0 | 1 |
| Pelzeln's Tody-Tyrant Hemitriccus inornatus | Buff-breasted Tody-Tyrant Hemitriccus mirandae | 1 | 1 | 0 |
| Buff-cheeked Tody-Flycatcher Poecilotriccus senex | Ochre-faced Tody-Flycatcher Poecilotriccus plumbeiceps | 1 | 1 | 0 |
| Ochre-faced Tody-Flycatcher Poecilotriccus plumbeiceps | Smoky-fronted Tody-Flycatcher Poecilotriccus fumifrons | 1 | 0 | 1 |
| Rusty-fronted Tody-Flycatcher Poecilotriccus latirostris | Slate-headed Tody-Flycatcher Poecilotriccus sylvia | 1 | 0 | 1 |
| Yellow-margined Flatbill Tolmomyias assimilis | Olive-faced Flatbill Tolmomyias viridiceps | 1 | 0 | 1 |
| Yellow-margined Flatbill Tolmomyias assimilis | Black-legged Dacnis Dacnis nigripes | 1 | 0 | 1 |
| Ochre-lored Flatbill Tolmomyias flaviventris | Cliff Flycatcher Hirundinea ferruginea | 1 | 1 | 0 |
| Suiriri Flycatcher Suiriri suiriri | Northern Mouse-coloured Tyrannulet Nesotriccus incomtus | 1 | 1 | 0 |
| Rufous-crowned Elaenia Elaenia ruficeps | Small-headed Elaenia Elaenia sordida | 1 | 1 | 0 |
| Lesser Elaenia Elaenia chiriquensis | White-crested Elaenia Elaenia albiceps | 1 | 1 | 0 |
| Greenish Tyrannulet Phyllomyias virescens | Reiser's Tyrannulet Phyllomyias reiseri | 1 | 0 | 1 |
| Grey-capped Tyrannulet Phyllomyias griseocapilla | Caatinga Black-Tyrant Knipolegus franciscanus | 1 | 0 | 1 |
| Southern Tropical Pewee Contopus cinereus | Western Wood-Pewee Contopus sordidulus | 1 | 0 | 1 |
| Southern Tropical Pewee Contopus cinereus | Eastern Wood-Pewee Contopus virens | 1 | 1 | 0 |
| Amazonian Black-Tyrant Knipolegus poecilocercus | Velvety Black-Tyrant Knipolegus nigerrimus | 1 | 1 | 0 |
| Grey Monjita Nengetus cinereus | Inambari Gnatcatcher Polioptila attenboroughi | 1 | 0 | 1 |
| Black-and-white Monjita Heteroxolmis dominicana | Cock-tailed Tyrant Alectrurus tricolor | 1 | 0 | 1 |
| Cinnamon Attila Attila cinnamomeus | Citron-bellied Attila Attila citriniventris | 1 | 0 | 1 |
| Bright-rumped Attila Attila spadiceus | Todd's Sirystes Sirystes subcanescens | 1 | 1 | 0 |
| White-rumped Sirystes Sirystes albocinereus | Todd's Sirystes Sirystes subcanescens | 1 | 0 | 1 |
| Great Kiskadee Pitangus sulphuratus | Rusty-margined Flycatcher Myiozetetes cayanensis | 1 | 1 | 0 |
| Fork-tailed Flycatcher Tyrannus savana | White-winged Swallow Tachycineta albiventer | 1 | 1 | 0 |
| Ashy-headed Greenlet Hylophilus pectoralis | Lemon-chested Greenlet Hylophilus thoracicus | 1 | 1 | 0 |
| Tawny-crowned Greenlet Tunchiornis ochraceiceps | Dusky-capped Greenlet Pachysylvia hypoxantha | 1 | 1 | 0 |
| Cliff Swallow Petrochelidon pyrrhonota | Silver-beaked Tanager Ramphocelus carbo | 1 | 1 | 0 |
| Cliff Swallow Petrochelidon pyrrhonota | Blue-black Grassquit Volatinia jacarina | 1 | 0 | 1 |
| Long-billed Gnatwren Ramphocaenus melanurus | Golden-winged Cacique Cacicus chrysopterus | 1 | 0 | 1 |
| Moustached Wren Pheugopedius genibarbis | Yellowish Pipit Anthus chii | 1 | 0 | 1 |
| Veery Catharus fuscescens | Orange-headed Tanager Thlypopsis sordida | 1 | 1 | 0 |
| Varzea Thrush Turdus sanchezorum | Lawrence's Thrush Turdus lawrencii | 1 | 1 | 0 |
| Lawrence's Thrush Turdus lawrencii | Black-billed Thrush Turdus ignobilis | 1 | 1 | 0 |
| Golden-bellied Euphonia Euphonia chrysopasta | Green-throated Euphonia Euphonia chalybea | 1 | 1 | 0 |
| Yellow-faced Siskin Spinus yarrellii | Gilt-edged Tanager Tangara cyanoventris | 1 | 0 | 1 |
| Half-collared Sparrow Arremon semitorquatus | Yellow Oriole Icterus nigrogularis | 1 | 1 | 0 |
| Green Oropendola Psarocolius viridis | Olive Oropendola Psarocolius bifasciatus | 1 | 1 | 0 |
| Golden-winged Cacique Cacicus chrysopterus | Band-tailed Cacique Cacicus latirostris | 1 | 0 | 1 |
| Yellow-rumped Cacique Cacicus cela | Red-rumped Cacique Cacicus haemorrhous | 1 | 0 | 1 |
| Yellow-winged Blackbird Agelasticus thilius | Chestnut-capped Blackbird Chrysomus ruficapillus | 1 | 1 | 0 |
| Yellow-hooded Blackbird Chrysomus icterocephalus | Blue-backed Tanager Cyanicterus cyanicterus | 1 | 0 | 1 |
| Tennessee Warbler Leiothlypis peregrina | Blackpoll Warbler Setophaga striata | 1 | 1 | 0 |
| Southern Yellowthroat Geothlypis velata | Flavescent Warbler Myiothlypis flaveola | 1 | 0 | 1 |
| Golden-crowned Warbler Basileuterus culicivorus | White-browed Warbler Myiothlypis leucoblephara | 1 | 0 | 1 |
| Riverbank Warbler Myiothlypis rivularis | Dull-coloured Grassquit Asemospiza obscura | 1 | 0 | 1 |
| Blackish-blue Seedeater Amaurospiza moesta | Amazonian Grosbeak Cyanoloxia rothschildii | 1 | 1 | 0 |
| Red-cowled Cardinal Paroaria dominicana | Red-capped Cardinal Paroaria gularis | 1 | 1 | 0 |
| Black-faced Tanager Schistochlamys melanopis | Black-throated Saltator Saltatricula atricollis | 1 | 1 | 0 |
| Chestnut-headed Tanager Thlypopsis pyrrhocoma | Grey-throated Warbling Finch Microspingus cabanisi | 1 | 1 | 0 |
| Black-capped Warbling Finch Microspingus melanoleucus | Grey-headed Tanager Eucometis penicillata | 1 | 1 | 0 |
| White-lined Tanager Tachyphonus rufus | Red-shouldered Tanager Tachyphonus phoenicius | 1 | 0 | 1 |
| Brazilian Tanager Ramphocelus bresilius | Silver-beaked Tanager Ramphocelus carbo | 1 | 1 | 0 |
| Silver-beaked Tanager Ramphocelus carbo | Masked Crimson Tanager Ramphocelus nigrogularis | 1 | 0 | 1 |
| Blue-backed Tanager Cyanicterus cyanicterus | Blue-and-yellow Tanager Rauenia bonariensis | 1 | 1 | 0 |
| Turquoise Tanager Tangara mexicana | White-bellied Tanager Tangara brasiliensis | 1 | 0 | 1 |
| Brassy-breasted Tanager Tangara desmaresti | Green-and-gold Tanager Tangara schrankii | 1 | 1 | 0 |
| Brassy-breasted Tanager Tangara desmaresti | Yellow-backed Tanager Hemithraupis flavicollis | 1 | 0 | 1 |
| Orange-fronted Yellow-Finch Sicalis columbiana | Grassland Yellow-Finch Sicalis luteola | 1 | 0 | 1 |
| Grassland Yellow-Finch Sicalis luteola | Lesser Grass-Finch Emberizoides ypiranganus | 1 | 1 | 0 |
| Grassland Yellow-Finch Sicalis luteola | Great Pampa-Finch Embernagra platensis | 1 | 1 | 0 |
| Lined Seedeater Sporophila lineola | Yellow-shouldered Grosbeak Parkerthraustes humeralis | 1 | 1 | 0 |
| Chestnut-bellied Seedeater Sporophila castaneiventris | Black-and-tawny Seedeater Sporophila nigrorufa | 1 | 0 | 1 |
| Pearly-bellied Seedeater Sporophila pileata | Rufous-rumped Seedeater Sporophila hypochroma | 1 | 1 | 0 |
| Tawny-bellied Seedeater Sporophila hypoxantha | Ibera Seedeater Sporophila iberaensis | 1 | 1 | 0 |
| Dark-throated Seedeater Sporophila ruficollis | Thick-billed Saltator Saltator maxillosus | 1 | 1 | 0 |
| Yellow-bellied Seedeater Sporophila nigricollis | Dubois's Seedeater Sporophila ardesiaca | 1 | 0 | 1 |
| Solitary Tinamou Tinamus solitarius | Subtropical Doradito Pseudocolopteryx acutipennis | 1 | 0 | 1 |
| Rusty-collared Seedeater Sporophila collaris | Coal-crested Finch Charitospiza eucosma | 1 | 1 | 0 |
| Brazilian Tinamou Crypturellus strigulosus | Grey-legged Tinamou Crypturellus duidae | 1 | 0 | 1 |
| White-bellied Nothura Nothura boraquira | Spotted Nothura Nothura maculosa | 1 | 1 | 0 |
| White-bellied Nothura Nothura boraquira | Striated Antthrush Chamaeza nobilis | 1 | 0 | 1 |
| Coscoroba Swan Coscoroba coscoroba | Comb Duck Sarkidiornis sylvicola | 1 | 1 | 0 |
| Muscovy Duck Cairina moschata | Brazilian Teal Amazonetta brasiliensis | 1 | 1 | 0 |
| Southern Pochard Netta erythrophthalma | Rosy-billed Pochard Netta peposaca | 1 | 0 | 1 |